Extract a workbook sheet as a CSV file
xlsx2csv my-workbook.xlsx "Sheet 1" > sheet1.csv
This would get the first sheet from the workbook and save it as a CSV file.
xlsx2csv -count my-workbook.xlsx
This will output the number of sheets in the Workbook.
xlsx2csv -sheets my-workbook.xlsx
This will display a list of sheet names, one per line. Putting it all together in a shell script.
for SHEET_NAME in $(xlsx2csv -n my-workbook.xlsx); do
xlsx2csv my-workbook.xlsx "$SHEET_NAME" > \
"${SHEET_NAME// /-}.csv"
done